 Advanced Download
Protection
Analyzes browser downloads in three unique ways before they can infect your PC and warns if they are malicious. Unified Scan Engine
Makes superior detection and removal of viruses, spyware, Trojan horses, worms, bots, and other malicious software faster and easier. Two-way Firewall
Keeps hackers out by making your PC invisible online and blocking intrusions. OSFirewallTM
Monitors changes within your computer to spot and stop new attacks that bypass traditional anti-virus protection. Anti-phishing and Site Status
Blocks fraudulent websites including "phishing" sites that trick you into entering personal data. System Requirements for ZoneAlarm Antivirus: Microsoft® Windows® 7*: | | - 32-bit / 64-bit , 2 GB RAM
- 2 GHz or faster processor
- 250MB of available hard-disk space
| Microsoft Windows Vista SP1 or SP2 Business / Home Premium / Ultimate: - 32-bit / 64-bit, 2 GB RAM
- 2 GHz or faster processor
- 250MB of available hard-disk space
- Microsoft Windows, XP SP2 or SP3 Home / Professional
- 32-bit, 1GB RAM
- 1 GHz or faster processor
- 250MB of available hard-disk space
Additional feature-level requirements:
Additional requirements are available for browser security, spam filtering, hard-drive encryption, and parental controls. | 
